Home / 198,496.54-273,921.90-107,853.89

Finding the Fourth Proportional to 198,496.54, 273,921.90 and 107,853.89

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Solution

The fourth proportional to 198,496.54, 273,921.90 and 107,853.89 is: 148,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,496.54 : 273,921.90 = 107,853.89 : x
  2. Step 2: Convert to fraction form
    198,496.54/273,921.90 = 107,853.89/x
  3. Step 3: Cross multiply
    198,496.54x = 273,921.90 × 107,853.89
  4. Step 4: Simplify right side
    198,496.54x = 29,543,542,471.19
  5. Step 5: Solve for x
    x = 29,543,542,471.19/198,496.54
  6. Step 6: Final answer
    x = 148,836.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.